To do meaningful work is to contribute - to create value in society.

I feel a passion for what we're trying to do.I mean, why does somebody who's old who's a writer keep writing? Because that's who they are.

Successful companies create value by providing products or services their customers value more highly than available alternatives. They do this while consuming fewer resources, leaving more resources available to satisfy other needs in society. Value creation involves making people's lives better. It is contributing to prosperity in society.

I studied what principles under-laid peace and prosperity and concluded the only way to achieve societal well-being was through a system of economic freedom.

I think this is so important - what's not done well at education at every level - is helping kids find, as I discovered for myself, what I was good at. I was very lucky to find out that at an early age, which set my direction in life.

You'll remember Newton was furious at Leibniz, because he developed calculus at the same time. And he went to his death believing that he had copied him. And no, it's because all the elements were there, so it's almost inevitable that the next discovery - as long as people are free and allowed to experiment and try new things.

Scientific discoveries and innovation come from combining different existing technologies and different perspectives in a unique way.